| ICD-10 Code | Description |
| T38.1X1A | Poisoning by thyroid hormones and substitutes, accidental (unintentional), initial encounter |
| T38.1X1D | Poisoning by thyroid hormones and substitutes, accidental (unintentional), subsequent encounter |
| T38.1X1S | Poisoning by thyroid hormones and substitutes, accidental (unintentional), sequela |
| T38.1X2A | Poisoning by thyroid hormones and substitutes, intentional self-harm, initial encounter |
| T38.1X2D | Poisoning by thyroid hormones and substitutes, intentional self-harm, subsequent encounter |
| T38.1X2S | Poisoning by thyroid hormones and substitutes, intentional self-harm, sequela |
| T38.1X3A | Poisoning by thyroid hormones and substitutes, assault, initial encounter |
| T38.1X3D | Poisoning by thyroid hormones and substitutes, assault, subsequent encounter |
| T38.1X3S | Poisoning by thyroid hormones and substitutes, assault, sequela |
| T38.1X4A | Poisoning by thyroid hormones and substitutes, undetermined, initial encounter |
| T38.1X4D | Poisoning by thyroid hormones and substitutes, undetermined, subsequent encounter |
| T38.1X4S | Poisoning by thyroid hormones and substitutes, undetermined, sequela |
| T38.1X5A | Adverse effect of thyroid hormones and substitutes, initial encounter |
| T38.1X5D | Adverse effect of thyroid hormones and substitutes, subsequent encounter |
| T38.1X5S | Adverse effect of thyroid hormones and substitutes, sequela |
| T38.1X6A | Underdosing of thyroid hormones and substitutes, initial encounter |
| T38.1X6D | Underdosing of thyroid hormones and substitutes, subsequent encounter |
| T38.1X6S | Underdosing of thyroid hormones and substitutes, sequela |
